何か意義のあることを始めよう。

Afghanistan (+93) Albania (+355) Algeria (+213) American Samoa (+1684) Andorra (+376) Angola (+244) Anguilla (+1264) Antigua and Barbuda (+1268) Argentina (+54) Armenia (+374) Aruba (+297) Australia (+61) Austria (+43) Azerbaijan (+994) Bahamas (+1242) Bahrain (+973) Bangladesh (+880) Barbados (+1246) Belarus (+375) Belgium (+32) Belize (+501) Benin (+229) Bermuda (+1441) Bhutan (+975) Bolivia (+591) Bosnia and Herzegovina (+387) Botswana (+267) Brazil (+55) British Indian Ocean Territory (+246) Brunei Darussalam (+673) Bulgaria (+359) Burkina Faso (+226) Burundi (+257) Cambodia (+855) Cameroon (+237) Canada (+1) Cape Verde (+238) Cayman Islands (+1345) Central African Republic (+236) Chad (+235) Chile (+56) China (+86) Christmas Island (+61) Cocos (Keeling) Islands (+672) Colombia (+57) Comoros (+269) Congo (+242) Congo, the Democratic Republic of the (+243) Cook Islands (+682) Costa Rica (+506) Cote D'Ivoire (+225) Croatia (+385) Cuba (+53) Cyprus (+357) Czech Republic (+420) Denmark (+45) Djibouti (+253) Dominica (+1767) Dominican Republic (+1809) Ecuador (+593) Egypt (+20) El Salvador (+503) Equatorial Guinea (+240) Eritrea (+291) Estonia (+372) Ethiopia (+251) Falkland Islands (Malvinas) (+500) Faroe Islands (+298) Fiji (+679) Finland (+358) France (+33) French Guiana (+594) French Polynesia (+689) Gabon (+241) Gambia (+220) Georgia (+995) Germany (+49) Ghana (+233) Gibraltar (+350) Greece (+30) Greenland (+299) Grenada (+1473) Guadeloupe (+590) Guam (+1671) Guatemala (+502) Guinea (+224) Guinea-Bissau (+245) Guyana (+592) Haiti (+509) Holy See (Vatican City State) (+39) Honduras (+504) Hong Kong (+852) Hungary (+36) Iceland (+354) India (+91) Indonesia (+62) Iran, Islamic Republic of (+98) Iraq (+964) Ireland (+353) Israel (+972) Italy (+39) Jamaica (+1876) Japan (+81) Jordan (+962) Kazakhstan (+7) Kenya (+254) Kiribati (+686) Korea, Democratic People's Republic of (+850) Korea, Republic of (+82) Kuwait (+965) Kyrgyzstan (+996) Lao People's Democratic Republic (+856) Latvia (+371) Lebanon (+961) Lesotho (+266) Liberia (+231) Libyan Arab Jamahiriya (+218) Liechtenstein (+423) Lithuania (+370) Luxembourg (+352) Macao (+853) Macedonia, the Former Yugoslav Republic of (+389) Madagascar (+261) Malawi (+265) Malaysia (+60) Maldives (+960) Mali (+223) Malta (+356) Marshall Islands (+692) Martinique (+596) Mauritania (+222) Mauritius (+230) Mayotte (+269) Mexico (+52) Micronesia, Federated States of (+691) Moldova, Republic of (+373) Monaco (+377) Mongolia (+976) Montserrat (+1664) Morocco (+212) Mozambique (+258) Myanmar (+95) Namibia (+264) Nauru (+674) Nepal (+977) Netherlands (+31) Netherlands Antilles (+599) New Caledonia (+687) New Zealand (+64) Nicaragua (+505) Niger (+227) Nigeria (+234) Niue (+683) Norfolk Island (+672) Northern Mariana Islands (+1670) Norway (+47) Oman (+968) Pakistan (+92) Palau (+680) Palestinian Territory, Occupied (+970) Panama (+507) Papua New Guinea (+675) Paraguay (+595) Peru (+51) Philippines (+63) Poland (+48) Portugal (+351) Puerto Rico (+1787) Qatar (+974) Reunion (+262) Romania (+40) Russian Federation (+7) Rwanda (+250) Saint Helena (+290) Saint Kitts and Nevis (+1869) Saint Lucia (+1758) Saint Pierre and Miquelon (+508) Saint Vincent and the Grenadines (+1784) Samoa (+684) San Marino (+378) Sao Tome and Principe (+239) Saudi Arabia (+966) Senegal (+221) Seychelles (+248) Sierra Leone (+232) Singapore (+65) Slovakia (+421) Slovenia (+386) Solomon Islands (+677) Somalia (+252) South Africa (+27) Spain (+34) Sri Lanka (+94) Sudan (+249) Suriname (+597) Svalbard and Jan Mayen (+47) Swaziland (+268) Sweden (+46) Switzerland (+41) Syrian Arab Republic (+963) Taiwan, Province of China (+886) Tajikistan (+992) Tanzania, United Republic of (+255) Thailand (+66) Timor-Leste (+670) Togo (+228) Tokelau (+690) Tonga (+676) Trinidad and Tobago (+1868) Tunisia (+216) Turkey (+90) Turkmenistan (+7370) Turks and Caicos Islands (+1649) Tuvalu (+688) Uganda (+256) Ukraine (+380) United Arab Emirates (+971) United Kingdom (+44) United States (+1) United States Minor Outlying Islands (+1) Uruguay (+598) Uzbekistan (+998) Vanuatu (+678) Venezuela (+58) Viet Nam (+84) Virgin Islands, British (+1284) Virgin Islands, U.s. (+1340) Wallis and Futuna (+681) Western Sahara (+212) Yemen (+967) Zambia (+260) Zimbabwe (+263) Serbia (+381) Montenegro (+382) Aland Islands (+358) Bonaire, Sint Eustatius and Saba (+599) Curacao (+599) Guernsey (+44) Isle of Man (+44) Jersey (+44) Kosovo (+381) Saint Barthelemy (+590) Saint Martin (+590) Sint Maarten (+1) South Sudan (+211)